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<h1>综合班小说</h1>
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<a href="#center" >到达中部</a>
<a href="#down">到达底部</a>

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<a href="#up" id="center">到达顶部</a>
<a href="#down">到达底部</a>

<div style="height: 600px"></div>

<a href="#up" id="down">到达顶部</a>
<a href="#center">到达中部</a>
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    <span>友情链接：</span>
    <a href="https://www.baidu.com/">百度</a>
    <a href="https://www.sina.com.cn/">新浪</a>
    <a href="https://www.163.com/">网易</a>
    <a href="https://www.taobao.com/">淘宝</a>

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